[ 42.165050][ T25] audit: type=1800 audit(1575331724.966:26): pid=8039 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="mcstrans" dev="sda1" ino=2457 res=0 [ 42.203425][ T25] audit: type=1800 audit(1575331724.966:27): pid=8039 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="restorecond" dev="sda1" ino=2436 res=0 [ 42.241081][ T25] audit: type=1800 audit(1575331724.966:28): pid=8039 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="ssh" dev="sda1" ino=2417 res=0 [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 42.970275][ T25] audit: type=1800 audit(1575331725.806:29): pid=8039 uid=0 auid=4294967295 ses=4294967295 subj=_ op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.212' (ECDSA) to the list of known hosts. 2019/12/03 00:08:54 fuzzer started 2019/12/03 00:08:55 dialing manager at 10.128.0.26:38907 2019/12/03 00:08:55 syscalls: 2697 2019/12/03 00:08:55 code coverage: enabled 2019/12/03 00:08:55 comparison tracing: enabled 2019/12/03 00:08:55 extra coverage: extra coverage is not supported by the kernel 2019/12/03 00:08:55 setuid sandbox: enabled 2019/12/03 00:08:55 namespace sandbox: enabled 2019/12/03 00:08:55 Android sandbox: /sys/fs/selinux/policy does not exist 2019/12/03 00:08:55 fault injection: enabled 2019/12/03 00:08:55 leak checking: CONFIG_DEBUG_KMEMLEAK is not enabled 2019/12/03 00:08:55 net packet injection: enabled 2019/12/03 00:08:55 net device setup: enabled 2019/12/03 00:08:55 concurrency sanitizer: /sys/kernel/debug/kcsan does not exist 2019/12/03 00:08:55 devlink PCI setup: PCI device 0000:00:10.0 is not available 00:08:56 executing program 0: perf_event_open(&(0x7f0000000280)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xffffffff}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6_tcp(0xa, 0x1, 0x0) ioctl$sock_SIOCETHTOOL(r0, 0x8946, &(0x7f0000000180)={'batadv0\x00', &(0x7f0000000140)=@ethtool_sset_info={0x37, 0x0, 0xaff}}) ioctl$FS_IOC_GETFLAGS(0xffffffffffffffff, 0x80046601, 0x0) ioctl$TCSETS(0xffffffffffffffff, 0x40045431, 0x0) bpf$MAP_CREATE(0x0, 0x0, 0x0) 00:08:57 executing program 1: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x41c1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_bp={0x0}}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$inet6(0xa, 0x400000000001, 0x0) close(r0) r1 = socket$inet6_sctp(0xa, 0x801, 0x84) rt_sigaction(0x39, &(0x7f0000000280)={&(0x7f0000000180)="43dc4f0626410f5b7202f2acc4014973d400c4e292f70bc4821593544ea70f1189fdc5a7aec441795b29660f1302660f56155a4e0000", {0x1}, 0x2, &(0x7f0000000240)="f020a1df0900002ef247ac660f1a26f3440f58eb26430f01c0c462fd8ebafeefffff2e420fd3d0640f1544f500c441f5effef30f185242"}, &(0x7f00000024c0)={&(0x7f00000002c0)="26ff77dbc442d90a94df52ee7cfef3460f0fc8aac442f91cca362e0f12e36464f341900f18f6c4425db6ecf30fbd8ff8efffffc42285ba30", {}, 0x0, &(0x7f0000000300)="c4c2fd25320f1c79578f4978d2af7f3057bfc481e5f44914c443995c3d0000000042438c02f2460f1ec2c44249cf48a3dee8f2410f129500000020"}, 0x8, &(0x7f0000002500)) mkdirat(0xffffffffffffffff, &(0x7f0000000340)='./file0\x00', 0x0) getsockopt$inet_mreqn(0xffffffffffffffff, 0x0, 0x0, &(0x7f00000000c0)={@remote, @initdev}, &(0x7f0000000100)=0xc) setsockopt$inet_sctp_SCTP_SOCKOPT_BINDX_ADD(r1, 0x84, 0x64, &(0x7f0000cf6fe4)=[@in6={0xa, 0x4e23, 0x0, @loopback}], 0x1c) ioctl$ION_IOC_ALLOC(0xffffffffffffffff, 0xc0184900, &(0x7f0000000040)={0xa925, 0x2b, 0x0, 0xffffffffffffffff}) r3 = dup(r2) getsockopt$SO_COOKIE(r3, 0x1, 0x39, &(0x7f0000000000), &(0x7f0000000040)=0x8) ioctl$SG_GET_VERSION_NUM(r3, 0x2282, &(0x7f0000002900)) symlink(&(0x7f00000001c0)='./bus\x00', &(0x7f0000000200)='./file0\x00') connect$inet6(r1, &(0x7f0000000080)={0xa, 0x4e23, 0x0, @loopback}, 0x1c) r4 = open(&(0x7f0000000080)='./bus\x00', 0x141042, 0x0) setsockopt$inet_sctp6_SCTP_MAXSEG(r0, 0x84, 0xd, &(0x7f0000000140)=@assoc_value={0x0, 0x839}, 0x8) setuid(0x0) openat$proc_capi20ncci(0xffffffffffffff9c, 0x0, 0x0, 0x0) r5 = getpid() process_vm_writev(r5, &(0x7f0000000040)=[{&(0x7f0000000380)=""/4096, 0x1000}, {&(0x7f0000001380)=""/4096, 0x1000}], 0x2, &(0x7f0000002840)=[{&(0x7f0000002380)=""/133, 0x85}, {&(0x7f0000002440)=""/83, 0x53}, {0x0}, {&(0x7f0000002740)=""/195, 0xc3}], 0x4, 0x0) ftruncate(r4, 0x200004) sendfile(r0, r4, 0x0, 0x80001d00c0d0) syzkaller login: [ 54.333140][ T8206] IPVS: ftp: loaded support on port[0] = 21 00:08:57 executing program 2: perf_event_open(&(0x7f000001d000)={0x1, 0x70, 0x0, 0x0, 0x0, 0x0, 0x0, 0x7f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @perf_config_ext}, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0) r0 = socket$nl_route(0x10, 0x3, 0x0) sendmsg$nl_route(r0, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000200)={&(0x7f0000000100)=@newlink={0x30, 0x10, 0x801, 0x0, 0x0, {}, [@IFLA_TXQLEN={0x8, 0xd, 0xffffff7f}, @IFLA_GROUP={0x8}]}, 0x30}}, 0x0) [ 54.408246][ T8208] IPVS: ftp: loaded support on port[0] = 21 [ 54.555557][ T8206] chnl_net:caif_netlink_parms(): no params data found [ 54.652972][ T8208] chnl_net:caif_netlink_parms(): no params data found 00:08:57 executing program 3: r0 = socket$nl_route(0x10, 0x3, 0x0) r1 = socket$netlink(0x10, 0x3, 0x0) r2 = socket(0x10, 0x803, 0x0) sendmsg$NBD_CMD_DISCONNECT(r2, &(0x7f00000001c0)={0x0, 0x2cd, &(0x7f0000000180)={0x0}}, 0x0) getsockname$packet(r2, &(0x7f0000000100)={0x11, 0x0, 0x0, 0x1, 0x0, 0x6, @broadcast}, &(0x7f0000000200)=0x14) sendmsg$nl_route(r1, &(0x7f0000000040)={0x0, 0x0, &(0x7f0000000240)={&(0x7f0000000340)=@newlink={0x38, 0x10, 0x705, 0x0, 0x0, {0x0, 0x0, 0x0, r3}, [@IFLA_LINKINFO={0x18, 0x12, @vti={{0x8, 0x1, 'vti\x00'}, {0xc, 0x2, [@vti_common_policy=[@IFLA_VTI_LINK={0x8, 0x1, r3}]]}}}]}, 0x38}}, 0x0) sendmsg$nl_route(r0, &(0x7f0000000340)={0x0, 0x0, &(0x7f0000000280)={&(0x7f00000002c0)=@ipv4_newaddr={0x34, 0x14, 0x1, 0x0, 0x0, {0x2, 0x0, 0x0, 0x0, r3}, [@IFA_LOCAL={0x8, 0x2, @multicast1}, @IFA_CACHEINFO={0x14, 0x6, {0x7, 0x9}}]}, 0x34}}, 0x0) [ 54.693756][ T8212] IPVS: ftp: loaded support on port[0] = 21 [ 54.709688][ T8206] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.730288][ T8206] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.746069][ T8206] device bridge_slave_0 entered promiscuous mode [ 54.803525][ T8206] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.814212][ T8206] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.835761][ T8206] device bridge_slave_1 entered promiscuous mode [ 54.861302][ T8208] bridge0: port 1(bridge_slave_0) entered blocking state [ 54.868611][ T8208] bridge0: port 1(bridge_slave_0) entered disabled state [ 54.886189][ T8208] device bridge_slave_0 entered promiscuous mode [ 54.901304][ T8215] IPVS: ftp: loaded support on port[0] = 21 [ 54.919152][ T8206] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 54.946599][ T8206] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 54.967605][ T8208] bridge0: port 2(bridge_slave_1) entered blocking state [ 54.974711][ T8208] bridge0: port 2(bridge_slave_1) entered disabled state [ 54.984750][ T8208] device bridge_slave_1 entered promiscuous mode 00:08:57 executing program 4: r0 = openat$vimc1(0xffffffffffffff9c, &(0x7f0000000000)='/dev/video1\x00', 0x2, 0x0) ioctl$FITRIM(r0, 0xc0185879, &(0x7f0000000040)) [ 55.026789][ T8206] team0: Port device team_slave_0 added [ 55.053371][ T8206] team0: Port device team_slave_1 added [ 55.092410][ T8208] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 55.180599][ T8208] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link 00:08:58 executing program 5: setreuid(0x0, 0xee00) r0 = bpf$PROG_LOAD(0x5, &(0x7f0000000080)={0x1, 0x5, &(0x7f0000001000)=ANY=[@ANYBLOB="bf16000000000000b7070000010000004870000000000000bc700000000000009500000000000000"], &(0x7f0000000140)='vS\xfdIG|\x8aL[\xf2\'\x9c\xea\xb1\xc0\xb1\x19\x91\x9d/Q\xd9\xe3T\xce\xdax;\x02%\xc5\x1c\xd5GA\xad[(\xbblZ\x01\x1dF\x92#]%sj\xd0i\xc6C\x1f&\xe2\xc5\xa5z\x7f\xe1 \xfb\xc27\x03\x84\x8e\xef\x82-\xfc$$\xaf\v\xbd\x95\x1e\x0f\xbeVI\xec\r!\f\x86\xf5\xfb[Y\x1e\xd4\xdfc\xb1\xc8\xa2\xc1/5\xffr\x1f\x80@\xb8F\xea\xde\x93\xa1\xcb6\xee\xf2\xce\x95\xf2\xfdxR\x17F\xad\xc1~\xa2\x97=O^o\"\xbb\xa8\x9746'}, 0x48) bpf$BPF_GET_PROG_INFO(0xf, &(0x7f0000000740)={r0, 0x0, 0x0}, 0x10) [ 55.277907][ T8206] device hsr_slave_0 entered promiscuous mode [ 55.355811][ T8206] device hsr_slave_1 entered promiscuous mode [ 55.414642][ T8212] chnl_net:caif_netlink_parms(): no params data found [ 55.430123][ T8208] team0: Port device team_slave_0 added [ 55.437604][ T8208] team0: Port device team_slave_1 added [ 55.517094][ T8208] device hsr_slave_0 entered promiscuous mode [ 55.575354][ T8208] device hsr_slave_1 entered promiscuous mode [ 55.615103][ T8208] debugfs: Directory 'hsr0' with parent '/' already present! [ 55.672362][ T8218] IPVS: ftp: loaded support on port[0] = 21 [ 55.697110][ T8220] IPVS: ftp: loaded support on port[0] = 21 [ 55.719341][ T8215] chnl_net:caif_netlink_parms(): no params data found [ 55.728761][ T8212] bridge0: port 1(bridge_slave_0) entered blocking state [ 55.736504][ T8212] bridge0: port 1(bridge_slave_0) entered disabled state [ 55.744416][ T8212] device bridge_slave_0 entered promiscuous mode [ 55.770629][ T8208] netdevsim netdevsim1 netdevsim0: renamed from eth0 [ 55.820113][ T8212] bridge0: port 2(bridge_slave_1) entered blocking state [ 55.827372][ T8212] bridge0: port 2(bridge_slave_1) entered disabled state [ 55.835330][ T8212] device bridge_slave_1 entered promiscuous mode [ 55.847689][ T8206] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 55.899091][ T8206] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 55.957231][ T8206] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 56.017638][ T8208] netdevsim netdevsim1 netdevsim1: renamed from eth1 [ 56.088843][ T8208] netdevsim netdevsim1 netdevsim2: renamed from eth2 [ 56.148614][ T8208] netdevsim netdevsim1 netdevsim3: renamed from eth3 [ 56.205133][ T8206] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 56.284595][ T8212] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.295768][ T8212] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.332635][ T8215] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.340169][ T8215] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.348605][ T8215] device bridge_slave_0 entered promiscuous mode [ 56.358719][ T8215] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.366265][ T8215] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.373998][ T8215] device bridge_slave_1 entered promiscuous mode [ 56.409138][ T8212] team0: Port device team_slave_0 added [ 56.420954][ T8212] team0: Port device team_slave_1 added [ 56.429667][ T8215] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 56.455256][ T8215] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 56.517444][ T8212] device hsr_slave_0 entered promiscuous mode [ 56.565432][ T8212] device hsr_slave_1 entered promiscuous mode [ 56.605269][ T8212] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.621431][ T8215] team0: Port device team_slave_0 added [ 56.630765][ T8215] team0: Port device team_slave_1 added [ 56.666317][ T8218] chnl_net:caif_netlink_parms(): no params data found [ 56.746687][ T8215] device hsr_slave_0 entered promiscuous mode [ 56.805270][ T8215] device hsr_slave_1 entered promiscuous mode [ 56.855154][ T8215] debugfs: Directory 'hsr0' with parent '/' already present! [ 56.907925][ T8218] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.915152][ T8218] bridge0: port 1(bridge_slave_0) entered disabled state [ 56.922808][ T8218] device bridge_slave_0 entered promiscuous mode [ 56.930590][ T8218] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.937729][ T8218] bridge0: port 2(bridge_slave_1) entered disabled state [ 56.946124][ T8218] device bridge_slave_1 entered promiscuous mode [ 56.957468][ T8212] netdevsim netdevsim2 netdevsim0: renamed from eth0 [ 57.009761][ T8212] netdevsim netdevsim2 netdevsim1: renamed from eth1 [ 57.056573][ T8212] netdevsim netdevsim2 netdevsim2: renamed from eth2 [ 57.108248][ T8212] netdevsim netdevsim2 netdevsim3: renamed from eth3 [ 57.174620][ T8220] chnl_net:caif_netlink_parms(): no params data found [ 57.200097][ T8218] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.226390][ T8206] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.243399][ T8215] netdevsim netdevsim3 netdevsim0: renamed from eth0 [ 57.266749][ T8215] netdevsim netdevsim3 netdevsim1: renamed from eth1 [ 57.327363][ T8218] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 57.349986][ T8208] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.358797][ T8215] netdevsim netdevsim3 netdevsim2: renamed from eth2 [ 57.392395][ T8215] netdevsim netdevsim3 netdevsim3: renamed from eth3 [ 57.444479][ T8218] team0: Port device team_slave_0 added [ 57.454830][ T8218] team0: Port device team_slave_1 added [ 57.483097][ T8206] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.492386][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.500850][ T3189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.518755][ T8208] 8021q: adding VLAN 0 to HW filter on device team0 [ 57.525887][ T8220] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.533393][ T8220] bridge0: port 1(bridge_slave_0) entered disabled state [ 57.541672][ T8220] device bridge_slave_0 entered promiscuous mode [ 57.552864][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 57.560839][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 57.568803][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.578078][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.586805][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.593951][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.657184][ T8218] device hsr_slave_0 entered promiscuous mode [ 57.695371][ T8218] device hsr_slave_1 entered promiscuous mode [ 57.735176][ T8218] debugfs: Directory 'hsr0' with parent '/' already present! [ 57.745000][ T8220] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.752063][ T8220] bridge0: port 2(bridge_slave_1) entered disabled state [ 57.761747][ T8220] device bridge_slave_1 entered promiscuous mode [ 57.774353][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.819999][ T8215] 8021q: adding VLAN 0 to HW filter on device bond0 [ 57.828076][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 57.837325][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 57.846196][ T2927] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.853374][ T2927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 57.861016][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 57.869811][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 57.878186][ T2927] bridge0: port 2(bridge_slave_1) entered blocking state [ 57.885273][ T2927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 57.892790][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 57.901386][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 57.909879][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 57.918494][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 57.926723][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 57.935407][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 57.945210][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.953054][ T2927] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 57.981250][ T8220] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 57.990380][ T8208] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 57.990401][ T8208] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.026424][ T8220] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 58.042324][ T8215] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.051159][ T8218] netdevsim netdevsim4 netdevsim0: renamed from eth0 [ 58.087867][ T8218] netdevsim netdevsim4 netdevsim1: renamed from eth1 [ 58.143736][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.152410][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.161160][ T5] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.168250][ T5] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.179269][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.187973][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.197223][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.205985][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.214393][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.222903][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.231754][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.240881][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.249481][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.257414][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 58.265434][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 58.272897][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 58.299914][ T8218] netdevsim netdevsim4 netdevsim2: renamed from eth2 [ 58.349381][ T8208] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 58.357322][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.365582][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.373294][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 58.383561][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 58.392195][ T12] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.399297][ T12] bridge0: port 1(bridge_slave_0) entered forwarding state [ 58.407326][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 58.415997][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 58.424248][ T12] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.431322][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 58.443498][ T12] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 58.462876][ T8218] netdevsim netdevsim4 netdevsim3: renamed from eth3 [ 58.507900][ T8220] team0: Port device team_slave_0 added [ 58.515246][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.523984][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.532985][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.541653][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.559672][ T8212] 8021q: adding VLAN 0 to HW filter on device bond0 [ 58.572220][ T8220] team0: Port device team_slave_1 added [ 58.580920][ T8206] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 58.591851][ T8206] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 58.604853][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 58.613327][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 58.621737][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 58.630266][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 58.639075][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 58.647631][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 58.656192][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 58.664622][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 58.673067][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 58.681021][ T17] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 58.704034][ T8212] 8021q: adding VLAN 0 to HW filter on device team0 [ 58.731454][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 58.739955][ T5] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 163.754918][ C0] rcu: INFO: rcu_preempt self-detected stall on CPU [ 163.761700][ C0] rcu: 0-...!: (10499 ticks this GP) idle=cbe/1/0x4000000000000002 softirq=9799/9806 fqs=44 [ 163.772092][ C0] (t=10501 jiffies g=6341 q=94) [ 163.777020][ C0] rcu: rcu_preempt kthread starved for 10414 jiffies! g6341 f0x0 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 163.788214][ C0] rcu: RCU grace-period kthread stack dump: [ 163.794091][ C0] rcu_preempt R running task 29032 10 2 0x80004000 [ 163.801989][ C0] Call Trace: [ 163.805275][ C0] __schedule+0x9a0/0xcc0 [ 163.809615][ C0] schedule+0x181/0x210 [ 163.813760][ C0] schedule_timeout+0x14f/0x240 [ 163.818601][ C0] ? run_local_timers+0x120/0x120 [ 163.823618][ C0] rcu_gp_kthread+0xed8/0x1770 [ 163.828379][ C0] kthread+0x332/0x350 [ 163.832432][ C0] ? rcu_report_qs_rsp+0x140/0x140 [ 163.837531][ C0] ? kthread_blkcg+0xe0/0xe0 [ 163.842109][ C0] ret_from_fork+0x24/0x30 [ 163.846527][ C0] NMI backtrace for cpu 0 [ 163.850845][ C0] CPU: 0 PID: 5 Comm: kworker/0:0 Not tainted 5.4.0-syzkaller #0 [ 163.858538][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 163.868602][ C0] Workqueue: events linkwatch_event [ 163.873785][ C0] Call Trace: [ 163.877067][ C0] [ 163.880016][ C0] dump_stack+0x1fb/0x318 [ 163.884371][ C0] nmi_cpu_backtrace+0xaf/0x1a0 [ 163.889238][ C0] ? nmi_trigger_cpumask_backtrace+0x16d/0x290 [ 163.895399][ C0] ? arch_trigger_cpumask_backtrace+0x20/0x20 [ 163.901459][ C0] nmi_trigger_cpumask_backtrace+0x174/0x290 [ 163.907453][ C0] arch_trigger_cpumask_backtrace+0x10/0x20 [ 163.913340][ C0] rcu_dump_cpu_stacks+0x15a/0x220 [ 163.918448][ C0] rcu_sched_clock_irq+0xe25/0x1ad0 [ 163.923646][ C0] ? trace_hardirqs_off+0x74/0x80 [ 163.928708][ C0] update_process_times+0x12d/0x180 [ 163.933917][ C0] tick_sched_timer+0x263/0x420 [ 163.938755][ C0] ? tick_setup_sched_timer+0x3d0/0x3d0 [ 163.944290][ C0] __hrtimer_run_queues+0x403/0x840 [ 163.949593][ C0] hrtimer_interrupt+0x38c/0xda0 [ 163.954550][ C0] ? debug_smp_processor_id+0x9/0x20 [ 163.959830][ C0] smp_apic_timer_interrupt+0x109/0x280 [ 163.965381][ C0] apic_timer_interrupt+0xf/0x20 [ 163.970302][ C0] [ 163.973234][ C0] RIP: 0010:free_thread_stack+0x13d/0x590 [ 163.978944][ C0] Code: 00 00 e8 06 a2 60 00 e9 5d 04 00 00 e8 5c 2d 2e 00 48 89 df 31 f6 e8 42 af 6e 00 43 80 3c 2e 00 74 08 4c 89 e7 e8 43 a4 69 00 <49> 8b 1c 24 48 83 c3 08 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 [ 163.998536][ C0] RSP: 0018:ffffc90000cbf700 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13 [ 164.006935][ C0] RAX: 0000000000000001 RBX: ffffea00024d7a00 RCX: 0000000000000000 [ 164.014902][ C0] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffea00024d7a00 [ 164.025381][ C0] RBP: ffffc90000cbf738 R08: 000000000003a768 R09: fffffbfff120248a [ 164.033345][ C0] R10: fffffbfff120248a R11: 0000000000000000 R12: ffff888095739620 [ 164.041303][ C0] R13: dffffc0000000000 R14: 1ffff11012ae72c4 R15: ffff88809e4b5868 [ 164.049290][ C0] put_task_stack+0xa3/0x130 [ 164.053868][ C0] finish_task_switch+0x3f1/0x550 [ 164.058888][ C0] __schedule+0x9a8/0xcc0 [ 164.063226][ C0] ? ___preempt_schedule+0x16/0x18 [ 164.068323][ C0] preempt_schedule+0xdb/0x120 [ 164.073161][ C0] ___preempt_schedule+0x16/0x18 [ 164.078086][ C0] ? vprintk_emit+0x2fe/0x3a0 [ 164.082749][ C0] ? vprintk_emit+0x368/0x3a0 [ 164.087536][ C0] vprintk_emit+0x36d/0x3a0 [ 164.092031][ C0] vprintk_default+0x28/0x30 [ 164.096608][ C0] vprintk_func+0x158/0x170 [ 164.101187][ C0] printk+0x62/0x8d [ 164.105006][ C0] ? addrconf_notify+0xd37/0x3c90 [ 164.110036][ C0] ? addrconf_notify+0x779/0x3c90 [ 164.115059][ C0] addrconf_notify+0x2c8d/0x3c90 [ 164.119996][ C0] ? lockdep_hardirqs_on+0x3c5/0x7d0 [ 164.125271][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 164.130642][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 164.136260][ C0] ? trace_hardirqs_on+0x74/0x80 [ 164.141290][ C0] ? __local_bh_enable_ip+0x13a/0x240 [ 164.146666][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 164.152208][ C0] ? tls_dev_event+0x619/0xc00 [ 164.156962][ C0] ? clusterip_netdev_event+0x48b/0x4a0 [ 164.162495][ C0] ? ip6mr_device_event+0x1ee/0x210 [ 164.167687][ C0] raw_notifier_call_chain+0xec/0x190 [ 164.173239][ C0] netdev_state_change+0x147/0x1f0 [ 164.178339][ C0] linkwatch_do_dev+0x10e/0x160 [ 164.183187][ C0] __linkwatch_run_queue+0x446/0x730 [ 164.188485][ C0] linkwatch_event+0x4c/0x60 [ 164.193067][ C0] process_one_work+0x7ef/0x10d0 [ 164.198021][ C0] worker_thread+0xc01/0x1630 [ 164.202704][ C0] kthread+0x332/0x350 [ 164.206759][ C0] ? rcu_lock_release+0x30/0x30 [ 164.211598][ C0] ? kthread_blkcg+0xe0/0xe0 [ 164.216178][ C0] ret_from_fork+0x24/0x30